THE STATUS OF MOLLUSK DIVERSITY AND PHYSICAL SETTING OF THE MANGROVE ZONES IN CATANDUANES ISLAND, LUZON, PHILIPPINES

Authors

  • JIMMY TEVAR MASAGCA Pacific Island Institute for Pedagogy, Technology, Arts & Sciences, Inc. De La Salle University-Dasmarinas
  • ANGELICA V. MENDOZA Pacific Island Institute for Pedagogy, Technology, Arts & Sciences, Inc. De La Salle University-Dasmarinas
  • ESTERELLA T. TRIBIANA Pacific Island Institute for Pedagogy, Technology, Arts & Sciences, Inc. De La Salle University-Dasmarinas

DOI:

https://doi.org/10.11598/btb.2010.17.2.77

Abstract

The status of mollusk diversity and physical setting of mangrove areas in Catanduanes island, Luzon (Philippines) are described. A total of 57 species of molluscs, consisting of 27 gastropods and 30 bivalves were recorded in the island. The most abundant of these molluscs are the prosobranch, Terebralia sulcata; corbiculid bivalve, Geloina coaxans; potamidiids, Cerithidea cingulata and Cerithidea rhizophorarum; and two other species of the genus Littorina (Littorinopsis). Using the physiographic model, majority of the mangrove areas under study follow the composite river and wave-dominated setting with some few areas having the wave-dominated, tide-dominated allochthonous setting following the physiognomic model.  Keywords:  Mollusk diversity, mangrove areas, Philippines

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